Hard disk video recorder no usb how to copy the file inside how u disk
Does the DVR have a network port? If you can plug in the network cable, first through the computer video data backup to the computer and then copy to the U disk is also possible
2, add USB external VGA signal acquisition card, directly to the hard disk video recorder VGA signal, the external acquisition card into video data, sent to the computer to save.
This VGA to AV device, its yellow lotus jack, that is, VGA analog signal into a video signal interface. Can be installed on the computer PCI video capture card, and its connection, you can not copy the disk to copy data;
DVR brand specifications are complex, and some products only VGA output interface, does not provide USB interface. In this case, do not increase the cost of data replication method, can only take off the hard disk linked to other computers to read.
